27. • categorize errors by type
• ommission
• commission
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28. # of participants who performed:
• successfully
• successfully but with some assistance
• assistance types, tasks, products
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30. % performing successfully, including those
who needed assistance
• regardless of time limits
• regardless of assistance needed
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31. If this percentage is
very low, you’ve got a
serious problem.
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38. Free-form questions:
• Group into meaningful categories
• Ex: particular screen, doc section, etc.
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39. Summarize other measures
• Unnecessary returns to main navigation
• Number/type of hints and prompts
• Times site map was accessed
• Points of hesitation (and for how long)
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